#include <iostream>
#include <vector>
#include <climits>
using namespace std;
int minSubArrayLen(int target, vector<int> &nums)
{
    int sum = 0;
    int len = INT_MAX;
    for (int left = 0, right = 0; right < nums.size(); right++)
    {
        sum += nums[right];
        while (sum >= target)
        {
            len = min(len, right - left + 1);
            sum -= nums[left++];
        }
    }
    return len == INT_MAX ? 0 : len;
}